Finding the Fourth Proportional to 81,949.19, 113,082.99 and 50,111.93

Step by Step Solution

1. Step 1: Write the proportion equation
   81,949.19 : 113,082.99 = 50,111.93 : x
2. Step 2: Convert to fraction form
   81,949.19/113,082.99 = 50,111.93/x
3. Step 3: Cross multiply
   81,949.19x = 113,082.99 × 50,111.93
4. Step 4: Simplify right side
   81,949.19x = 5,666,806,973.86
5. Step 5: Solve for x
   x = 5,666,806,973.86/81,949.19
6. Step 6: Final answer
   x = 69,150.25